The idea: A rogue which uses non-magical items to target monsters weaknesses. A rogue which has access to monster hunting texts and secret techniques usually passed down in the family.
Here is a draft of the Supernatural Hunter.
The most useful of non-magical items are alchemical ones. So why not have this be a alchemist archtype? Because they already do so many things with alchemical items. Also there is always mutliclassing.
Any thoughts are welcome.
Renamed to Alchemical Trickster.
Dot
Its different, and seems interesting. My criticism is the gp cost of using schema, and the need to carry around so many items that are consumed in the name of a class feature. I know you aren't copying the alchemist, but it certainly is an inspiration. The alchemist doesn't need an extensive list of ingredients. I would alter to something closer to that.
The Alchemical Trickster combines already useful alchemical items into better ones. The cost is purely the cost of the base components so if the Alchemical Trickster can procure them in other ways (theft, craft etc.), the cost is effectively negated.
And the Alchemical Trickster can carry around the completed product rather than carrying the component pieces. The archtype leans heavily towards preparing the goodies ahead of time, however some abilities are added to make it more attractive for a classic roaming adventuring party.